| Acronym | Definition |
|---|
| HARF➣Hoosier Auto Racing Fans (fan club; Indiana) |
| HARF➣Hikkaduwa Area Relief Fund |
| HARF➣Hermes Absolute Return Fund (Guernsey; UK) |
| HARF➣Halieus Anthropos Research Foundation |
| HARF➣High Angle Reverse Fault (Earth Science Geomorphology) |
| HARF➣Heavy Aromatic Residual Fuel |